Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7871452 | Particulate filter | Hiroshi Yamada, Kenji Suzuki, Koichiro Harada, Kenji Okamoto, Akihide Takami +1 more | 2011-01-18 |
| 6432872 | Composition for use in adsorption treatment, products formed with the same, and a method for producing adsorbent using the same | Yoshinori Tsushio, Tuyoshi Nishijima, Taeko Shimizu, Ichiro Kitayama, Osamu Takayama | 2002-08-13 |
| 6420306 | Burned gas purifying catalyst | Takahiro Kurokawa, Akihide Takami, Makoto Kyogoku, Hideharu Iwakuni, Kenji Okamoto +3 more | 2002-07-16 |
| 5958826 | Burned gas purifying catalyst | Takahiro Kurokawa, Akihide Takami, Makoto Kyogoku, Hideharu Iwakuni, Kenji Okamoto +2 more | 1999-09-28 |
| 5677258 | Burned gas purifying catalyst | Takahiro Kurokawa, Akihide Takami, Makoto Kyogoku, Hideharu Iwakuni, Kenji Okamoto +3 more | 1997-10-14 |